As stated before, the cylinder head cover used on all of the new NG6 engines
is made from plastic. However, the design differs between the engines due to
engine equipment.
For example, the N54 engine does not use Valvetronic and therefore does not need
the accommodation for the
VVT motor. Also,
1.0 Recommended tools and equipment
To carry out outer shell grinding work by hand or machine, you must use
the recommended tools
and equipment.
The work area can be cleaned with conventional extractor systems (low dust
concentration).
Weight-reduced aluminum front end structure (GRAV):
T